| 2026 | 2027 | 608,000 | 1,000 | 609,000 | 0 | 608,000 | 1,000 | 609,000 |
| 2025 | 2026 | 640,000 | 1,000 | 641,000 | 0 | 640,000 | 1,000 | 641,000 |
| 2024 | 2025 | 640,000 | 1,000 | 641,000 | 0 | 640,000 | 1,000 | 641,000 |
| 2023 | 2024 | 572,000 | 1,000 | 573,000 | 0 | 572,000 | 1,000 | 573,000 |
| 2022 | 2023 | 489,000 | 1,000 | 490,000 | 0 | 489,000 | 1,000 | 490,000 |
| 2021 | 2022 | 450,000 | 1,000 | 451,000 | 0 | 450,000 | 1,000 | 451,000 |
| 2020 | 2021 | 310,000 | 88,000 | 398,000 | 0 | 310,000 | 88,000 | 398,000 |
| 2019 | 2020 | 310,000 | 85,000 | 395,000 | 0 | 310,000 | 85,000 | 395,000 |
| 2018 | 2019 | 311,000 | 88,000 | 399,000 | 0 | 311,000 | 88,000 | 399,000 |
| 2017 | 2018 | 275,000 | 45,000 | 320,000 | 0 | 275,000 | 45,000 | 320,000 |
| 2016 | 2017 | 245,000 | 38,000 | 283,000 | 0 | 245,000 | 38,000 | 283,000 |
| 2015 | 2016 | 214,000 | 32,000 | 246,000 | 0 | 214,000 | 32,000 | 246,000 |
| 2014 | 2015 | 254,000 | 1,000 | 255,000 | 0 | 254,000 | 1,000 | 255,000 |
| 2013 | 2014 | 226,000 | 1,000 | 227,000 | 0 | 226,000 | 1,000 | 227,000 |
| 2012 | 2013 | 206,000 | 1,000 | 207,000 | 0 | 206,000 | 1,000 | 207,000 |
| 2011 | 2012 | 214,000 | 1,000 | 215,000 | 0 | 214,000 | 1,000 | 215,000 |
| 2010 | 2011 | 224,000 | 1,000 | 225,000 | 0 | 224,000 | 1,000 | 225,000 |
| 2009 | 2010 | 224,000 | 1,000 | 225,000 | 0 | 224,000 | 1,000 | 225,000 |
| 2008 | 2009 | 224,000 | 5,000 | 229,000 | 0 | 224,000 | 5,000 | 229,000 |
| 2007 | 2008 | 200,000 | 5,000 | 205,000 | 0 | 200,000 | 5,000 | 205,000 |
| 2006 | 2007 | 57,000 | 68,000 | 125,000 | 0 | 57,000 | 68,000 | 125,000 |
| 2005 | 2006 | 54,000 | 67,000 | 121,000 | 0 | 54,000 | 67,000 | 121,000 |
| 2004 | 2005 | 51,000 | 63,000 | 114,000 | 0 | 51,000 | 63,000 | 114,000 |
| 2003 | 2004 | 51,000 | 63,000 | 114,000 | 0 | 51,000 | 63,000 | 114,000 |
| 2002 | 2003 | 47,000 | 54,000 | 101,000 | 0 | 47,000 | 54,000 | 101,000 |
| 2001 | 2002 | 47,000 | 54,000 | 101,000 | 0 | 47,000 | 54,000 | 101,000 |
| 2000 | 2001 | 32,000 | 43,000 | 75,000 | 0 | 32,000 | 43,000 | 75,000 |
| 1999 | 2000 | 28,000 | 38,000 | 66,000 | 0 | 28,000 | 38,000 | 66,000 |
| 1998 | 1999 | 24,000 | 33,000 | 57,000 | 0 | 24,000 | 33,000 | 57,000 |
| 1997 | 1998 | 0 | 0 | 0 | 0 | 21,500 | 28,700 | 50,200 |
| 1996 | 1997 | 0 | 0 | 0 | 0 | 8,700 | 28,700 | 37,400 |
| 1995 | 1996 | 0 | 0 | 0 | 0 | 8,700 | 28,700 | 37,400 |
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