时间 | 平均 | 最高 | 最低 |
---|---|---|---|
2024 | 0 | -0.16 | |
2023 | 1.51 | 1.75 | 1.11 |
2022 | 1.28 | 1.85 | 0.49 |
2021 | 0.72 | 0.93 | 0.56 |
2020 | 0.98 | 1.18 | 0.76 |
2019 | 1.29 | 2.03 | 0.93 |
2018 | 1.67 | 2.31 | 1.1 |
2017 | 2.47 | 3.02 | 2.02 |
2016 | 3.86 | 5.94 | 2.87 |
2015 | 6.65 | 10.1 | 4.42 |
2014 | 2.83 | 5.64 | 2.02 |
2013 | 2.72 | 3.26 | 2.33 |
2012 | 2.41 | 3.18 | 2.03 |
2011 | 2.45 | 2.96 | 1.88 |
2010 | 2.93 | 3.78 | 2.35 |
2009 | 3.78 | 5.8 | 1.68 |
2008 | 5.62 | 15.28 | 1.31 |
2007 | 11.19 | 18.03 | 5.12 |
2006 | 2.4 | 5.55 | 0.97 |
2005 | 1.02 | 1.36 | 0.79 |
2004 | 1.47 | 2.14 | 1.12 |
2003 | 1.95 | 2.94 | 1.45 |
2002 | 3.11 | 5.24 | 1.98 |
2001 | 5.99 | 8.15 | 4.58 |
2000 | 4.58 | 5.15 | 4.01 |
1999 | 5.89 | 7.66 | 4.54 |
1998 | 6.57 | 9.42 | 4.53 |
1997 | 6.52 | 9.47 | 4.26 |