Average rating: 8.37
Average rating in 2021: 7.83
Average rating in 2020: 7.97
Average rating in 2019: 8.14
Average rating in 2018: 7.91
Average rating in 2017: 8.13
Average rating in 2016: 8.54
Average rating in 2015: 8.71
Average rating in 2014: 7.79
Average rating in 2013: 8.90
Average rating in 2012: 9.00
Average rating in 2011: 8.27
Average rating in 2010: 8.32
Average rating in 2009: 8.00
Average rating in 2008: 8.54
Average rating in 2007: 8.47