<text>  Real Madrids Cristiano Ronaldo is currently Europes 29th best forward in 2015 while Barcelonas Lionel Messi ranks first, a study has revealed. CIES Football Observatory have compiled the best-performing players in five positions this year, crunching the numbers by focusing on shooting, chances created, take-ons, distribution, recovery and rigour. The rankings throw up unexpected results with Manchester Citys Gael Clichy crowned the best full back, and Arsenals Mesut Ozil the joint-top attacking midfielder with Chelseas Eden Hazard. Cristiano Ronaldo ranks 29th in a table of the best forwards in the top five European leagues in 2015 . Real Madrid and Portugal star Ronaldo played for his country in the weekend win over Serbia . CIES Football Observatory Key Performance Indicators KPIs are: . Barcelona and Argentina star Lionel Messi ranks first in CIES Football Observatorys statistics . Ronaldo has scored just six goals in La Liga this year after winning the Ballon dOr in mid-January, and rival Messi has swept the Real Madrid forward aside with 19 as Barcelona sit top of the table by four points. Messi, with the top score of 100 in the rankings, is followed by Bayern Munichs Arjen Robben 92, Wolfsburgs Bas Dost 77 and Barcelona team-mate Luis Suarez 71. Then come the Barclays Premier Leagues top scorers. Chelseas Diego Costa 61 and Tottenham Hotspurs Harry Kane 57 have 19 goals apiece, and rank fifth and sixth as a result. Kane shares sixth spot with Borussia Dortmunds Marco Reus 57 as he continues to surprise at White Hart Lane, having earned his senior England debut against Lithuania. Barcelonas Messi ranks first in the list of the top 10 forwards, compiled by CIES Football Observatory . Arjen Robben right comes second while his Bayern Munich team-mate Xabi Alonso centre is in another list . The Premier Leagues top goalscorers Diego Costa left and Harry Kane come fifth and sixth in the list . 1. Lionel Messi, Barcelona 100 2. Arjen Robben, Bayern Munich 92 3. Bas Dost, Wolfsburg 77 4. Luis Suarez, Barcelona 71 5. Diego Costa, Chelsea 61 6. Harry Kane, Tottenham Hotspur 57 6. Marco Reus, Borussia Dortmund 57 8. Lucas Barrios, Montpellier 56 9. Pierre-Emerick Aubameyang, Borussia Dortmund 55 10. Christophe Mandanne, Guingamp 54 As for centre backs, since January 1, Bayer Leverkusens Emir Spahic ranks first with a score of 100, but the Premier League is represented by three players in the top 10. Runner-up is Manchester Citys Martin Demichelis 89, while Manchester Uniteds Chris Smalling 76 and Marcos Rojo 68 are fourth and eighth respectively. Third-placed Mats Hummels 79 has long been courted by those at Old Trafford, and for good reason it seems. Louis van Gaal may well get the Borussia Dortmund defender this summer after Sportsmail revealed he promised Sir Alex Ferguson he would move to Manchester three years ago. As for full backs, its more good news for those at the Etihad. Clichy ranks first with a score of 100 ahead of Real Madrids Marcelo 75, while his team-mate Pablo Zabaleta 70 comes fifth. Bayer Leverkusens Emir Spahic is ranked top of the centre backs in Europe since January 1 . Martin Demichelis left ranks second in the top 10 centre backs while Mats Hummels right is third . Gael Clichy left, pictured at the Liverpool All-Star match, is the best full back, while Marcelo is runner up . 1. Emir Spahic, Bayer Leverkusen 100 2. Martin Demichelis, Man City 89 3. Mats Hummels, Borussia Dortmund 79 4. Chris Smalling, Man Utd 76 5. Thiago Silva, PSG 71 6. David Luiz, PSG 69 6. Stefan de Vrij, Lazio 69 8. Marcos Rojo, Man Utd 68 9. Konstantinos Manolas, Roma 64 9. Neven Subotic, Borussia Dortmund 64 1. Gael Clichy, Man City 100 2. Marcelo, Real Madrid 75 3. Marcio Rafinha, Bayern Munich 72 3. Wendell Nascimento, B Leverkusen 72 5. Pablo Zabaleta, Man City 70 6. David Alaba, Bayern Munich 69 6. Jordi Alba, Barcelona 69 8. Layvin Kurzawa, Monaco 68 9. Dusan Basta, Lazio 67 10. Juan Bernat, Bayern Munich 65 Over to central and defensive midfielders, where Borussia Dortmunds Nuri Sahin 100 takes the crown despite his clubs struggles in the Bundesliga. Runner-up is Juventus ace Paul Pogba 96 with Manchester Citys Fernandinho 94 third. Xabi Alonso, at the age of 33, represents Bayern Munich in eighth place with a score of 79. Finally, to the attacking midfielders. The Premier League dominates this category with Chelseas Hazard and Arsenals Ozil sharing the top spot, each with the top mark of 100. Then comes Manchester Citys Jesus Navas 86, joined by team-mate David Silva 77 in seventh. Fourth and fifth are occupied by former Premier League players in Wolfsburgs Kevin de Bruyne 85 and Borussia Dortmunds Shinji Kagawa 84. Borussia Dortmunds Nuri Sahin ranks first in central and defensive midfielders, while Paul Pogba is second . Chelseas Eden Hazard left and Arsenals Mesut Ozil rank joint-first with the top mark of 100 in their category . 1. Nuri Sahin, Borussia Dortmund 100 2. Paul Pogba, Juventus 96 3. Fernandinho, Man City 94 4. Lucas Biglia, Lazio 89 5. Ilkay Gundogan, Borussia Dortmund 87 6. Marco Verratti, PSG 85 7. Clement Chantome, Bordeaux 84 8. Xabi Alonso, Bayern Munich 79 9. Bastian Schweinsteiger, B Munich 78 10. Arturo Vidal, Juventus 77 1. Eden Hazard, Chelsea 100 1. Mesut Ozil, Arsenal 100 3. Jesus Navas, Man City 86 4. Kevin de Bruyne, Wolfsburg 85 5. Shinji Kagawa, Borussia Dortmund 84 6. Marek Hamsik, Napoli 79 7. David Silva, Man City 77 8. Maximilian Meyer, Schalke 73 9. Roberto Pereyra, Juventus 72 9. Javier Pastore, PSG 72 