| 2012 | |
| January | 192 |
| February | |
| March | |
| April | |
| May | |
| June | |
| July | |
| August | |
| September | |
| October | |
| November | |
| December | |
| Year To Date | 192 |
| 2011 | |
| January | 193 |
| February | 179 |
| March | 178 |
| April | 218 |
| May | 240 |
| June | 232 |
| July | 233 |
| August | 230 |
| September | 244 |
| October | 254 |
| November | 215 |
| December | 235 |
| 2011 Total | 2651 |
| 2010 | |
| January | 201 |
| February | 191 |
| March | 254 |
| April | 200 |
| May | 247 |
| June | 245 |
| July | 237 |
| August | 236 |
| September | 222 |
| October | 264 |
| November | 211 |
| December | 229 |
| 2010 Total | 2727 |
| 2009 | |
| January | 163 |
| February | 150 |
| March | 192 |
| April | 214 |
| May | 200 |
| June | 163 |
| July | 222 |
| August | 197 |
| September | 201 |
| October | 210 |
| November | 209 |
| December | 227 |
| 2009 Total | 2348 |
| 2008 | |
| January | 157 |
| February | 151 |
| March | 170 |
| April | 152 |
| May | 133 |
| June | 169 |
| July | 148 |
| August | 161 |
| September | 151 |
| October | 99 |
| November | 128 |
| December | 140 |
| 2008 Total | 1759 |
| 2007 | |
| January | 151 |
| February | 163 |
| March | 15 |
| April | 146 |
| May | 151 |
| June | 122 |
| July | 151 |
| August | 123 |
| September | 103 |
| October | 152 |
| November | 147 |
| December | 160 |
| 2007 Total | 1723 |
| 2006 | 2121 |
| 2005 | 2082 |
| 2004 | 1966 |
| 2003 | 2259 |
| 2002 | 2169 |
| 2001 | 2178 |
