Year	Number of Firms
1992-01-01	95
1997-01-01	125
2002-01-01	158
2003-01-01	148
2004-01-01	159
2005-01-01	160
2006-01-01	188
2007-01-01	220
2008-01-01	297
2009-01-01	253
2010-01-01	304
2011-01-01	275
2012-01-01	264
2013-01-01	275
2014-01-01	326
2015-01-01	336
2016-01-01	289