| x | y1 | y2 |
|---|---|---|
| number | number | number |
| Year | Block 1 | Block 2 |
| 1984 | 3.94953 | 0 |
| 1985 | 4.0043 | 1.3898 |
| 1986 | 3.41899 | 5.40899 |
| 1987 | 2.86454 | 3.35278 |
| 1988 | 5.96444 | 4.55269 |
| 1989 | 4.49808 | 6.62021 |
| 1990 | 3.85207 | 4.61434 |
| 1991 | 5.97684 | 3.19194 |
| 1992 | 3.99253 | 5.30806 |
| 1993 | 4.09794 | 3.2123 |
| 1994 | 5.93392 | 3.75592 |
| 1995 | 4.57686 | 6.71053 |
| 1996 | 5.67279 | 6.08493 |
| 1997 | 6.61069 | 6.01636 |
| 1998 | 7.24829 | 6.33304 |
| 1999 | 7.0517 | 6.41389 |
| 2000 | 5.62915 | 7.36591 |
| 2001 | 6.0425 | 4.66284 |
| 2002 | 7.3286 | 4.6888 |
| 2003 | 6.41336 | 6.2555 |
| 2004 | 6.388 | 7.8967 |
| 2005 | 5.82102 | 6.41681 |
| 2006 | 4.68278 | 5.39137 |
| 2007 | 5.74701 | 6.85386 |
| 2008 | 7.69188 | 5.05587 |
| 2009 | 5.46797 | 6.1058 |
| 2010 | 5.29174 | 7.6082 |
| 2011 | 7.62237 | 5.31617 |
| 2012 | 6.38483 | 6.0127 |
| 2013 | 5.52764 | 8.11297 |
| 2014 | 8.10287 | 6.65983 |
| 2015 | 5.32175 | 5.64339 |
| 2016 | 7.05138 | 8.15809 |
| 2017 | 8.10347 | 6.98382 |
| 2018 | 5.09034 | 5.49677 |
| 2019 | 5.55109 | 8.09167 |
| 2020 | 7.71938 | 3.89622 |
| 2021 | 4.12092 | 8.07798 |
| 2022 | 7.28079 | 2.8429 |
| 2023 | 0.75277 | 7.40106 |
| 2024 | 7.83256 | 0.0024 |
Data available underCreative Commons Attribution-Share Alike 4.0.
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