Year	Number of Firms
1992-01-01	159
1997-01-01	295
2002-01-01	248
2003-01-01	251
2004-01-01	205
2005-01-01	175
2006-01-01	205
2007-01-01	196
2008-01-01	199
2009-01-01	164
2010-01-01	195
2011-01-01	204
2012-01-01	188
2013-01-01	169
2014-01-01	190
2015-01-01	175
2016-01-01	140