| Jahr | insgesamt | davon Gewerbebau |
| 1996 | 215 | 28 |
| 1997 | 209 | 24 |
| 1998 | 209 | 9 |
| 1999 | 196 | 17 |
| 2000 | 206 | 17 |
| 2001 | 228 | 18 |
| 2002 | 253 | 11 |
| 2003 | 228 | 25 |
| 2004 | 186 | 11 |
| 2005 | 197 | 17 |
| 2006 | 175 | 16 |
| 2007 | 225 | 38 |
| 2008 | 213 | 32 |
| 2009 | 198 | 22 |
| 2010 | 206 | 24 |
| 2011 | 212 | 28 |
| 2012 | 197 | 26 |
| 2013 | 234 | 56 |
| 2014 | 249 | 44 |
| 2015 | 273 | 33 |
| 2016 | 224 | 36 |
| 2017 | 228 | 31 |
| 2018 | 193 | 30 |
| 2019 | 173 | 21 |
| 2020 | 216 | 34 |
| 2021 | 188 | 26 |