Datasets:
| Region,Asia*,Europe**,North America | |
| 2021,1027.5,1165.9,1992.4 | |
| 2020,1017.2,1632.2,3140.5 | |
| 2019,1041.0,1659.9,3202.9 | |
| 2018,933.7,1585.0,3231.0 | |
| 2017,882.9,1543.4,3795.0 | |
| 2016,893.5,1561.8,4493.9 | |
| 2015,915.5,1620.0,4645.7 | |
| 2014,887.0,1580.0,4983.0 | |
| 2013,912.0,1447.0,4586.0 | |
| 2012,970.0,1486.5,4403.0 | |
| 2011,662.5,1178.6,3819.2 | |
| 2010,467.2,1052.6,3459.1 | |
| 2009,401.2,1028.4,3575.0 | |
| 2008,272.4,944.7,3653.1 | |
| 2007,64.6,767.9,3452.2 | |