According to EBU research in 2018, Serbs on average watch five and a half hours of television per day, making it the second highest average in Europe. There are seven nationwide free-to-air television channels, with public broadcaster Radio Television of Serbia (RTS) operating three (RTS1, RTS2 and RTS3) and private broadcasters operating four (Pink, Prva, Happy, and O2). In 2019, preferred usage of these channels was as follows: 19.3% for RTS1, 17.6% for Pink, 10.5% for Prva, 6.9% for Happy, 4.1% for O2, and 1.6% for RTS2. There are 28 regional television channels and 74 local television channels. Besides terrestrial channels there are dozens of Serbian television channels available only on cable or satellite. These include regional news N1, commercial channel Nova S, and regional sports channels Sport Klub and Arena Sport, among others.