| 2026 | 2027 | 271,000 | 301,000 | 572,000 | 0 | 271,000 | 301,000 | 572,000 |
| 2025 | 2026 | 271,000 | 334,000 | 605,000 | 0 | 271,000 | 334,000 | 605,000 |
| 2024 | 2025 | 271,000 | 339,000 | 610,000 | 0 | 271,000 | 339,000 | 610,000 |
| 2023 | 2024 | 240,000 | 318,000 | 558,000 | 0 | 240,000 | 318,000 | 558,000 |
| 2022 | 2023 | 219,000 | 367,000 | 586,000 | 0 | 219,000 | 367,000 | 586,000 |
| 2021 | 2022 | 103,000 | 489,000 | 592,000 | 0 | 103,000 | 489,000 | 592,000 |
| 2020 | 2021 | 92,000 | 454,000 | 546,000 | 193,000 | 92,000 | 454,000 | 546,000 |
| 2019 | 2020 | 92,000 | 264,000 | 356,000 | 264,000 | 92,000 | 264,000 | 356,000 |
| 2018 | 2019 | 41,000 | 179,000 | 220,000 | 0 | 41,000 | 179,000 | 220,000 |
| 2017 | 2018 | 197,000 | 144,000 | 341,000 | 0 | 197,000 | 144,000 | 341,000 |
| 2016 | 2017 | 185,000 | 117,000 | 302,000 | 0 | 185,000 | 117,000 | 302,000 |
| 2015 | 2016 | 346,000 | 1,000 | 347,000 | 0 | 346,000 | 1,000 | 347,000 |
| 2014 | 2015 | 310,000 | 1,000 | 311,000 | 0 | 310,000 | 1,000 | 311,000 |
| 2013 | 2014 | 310,000 | 1,000 | 311,000 | 0 | 310,000 | 1,000 | 311,000 |
| 2012 | 2013 | 310,000 | 1,000 | 311,000 | 0 | 310,000 | 1,000 | 311,000 |
| 2011 | 2012 | 303,000 | 1,000 | 304,000 | 0 | 303,000 | 1,000 | 304,000 |
| 2010 | 2011 | 303,000 | 1,000 | 304,000 | 0 | 303,000 | 1,000 | 304,000 |
| 2009 | 2010 | 299,000 | 1,000 | 300,000 | 0 | 299,000 | 1,000 | 300,000 |
| 2008 | 2009 | 320,000 | 7,000 | 327,000 | 0 | 320,000 | 7,000 | 327,000 |
| 2007 | 2008 | 98,000 | 67,000 | 165,000 | 0 | 98,000 | 67,000 | 165,000 |
| 2006 | 2007 | 81,000 | 67,000 | 148,000 | 0 | 81,000 | 67,000 | 148,000 |
| 2005 | 2006 | 81,000 | 67,000 | 148,000 | 0 | 81,000 | 67,000 | 148,000 |
| 2004 | 2005 | 70,000 | 74,000 | 144,000 | 0 | 70,000 | 74,000 | 144,000 |
| 2003 | 2004 | 70,000 | 74,000 | 144,000 | 0 | 70,000 | 74,000 | 144,000 |
| 2002 | 2003 | 70,000 | 74,000 | 144,000 | 0 | 70,000 | 74,000 | 144,000 |
| 2001 | 2002 | 35,000 | 120,000 | 155,000 | 0 | 35,000 | 120,000 | 155,000 |
| 2000 | 2001 | 32,000 | 101,000 | 133,000 | 0 | 32,000 | 101,000 | 133,000 |
| 1999 | 2000 | 29,000 | 96,000 | 125,000 | 0 | 29,000 | 96,000 | 125,000 |
| 1998 | 1999 | 28,000 | 84,000 | 112,000 | 0 | 28,000 | 84,000 | 112,000 |
| 1997 | 1998 | 0 | 0 | 0 | 0 | 25,000 | 75,000 | 100,000 |
| 1996 | 1997 | 0 | 0 | 0 | 0 | 25,600 | 62,800 | 88,400 |
| 1995 | 1996 | 0 | 0 | 0 | 0 | 25,600 | 62,800 | 88,400 |
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