Year	Number of Firms
1992-01-01	68
1997-01-01	126
2002-01-01	121
2003-01-01	125
2004-01-01	132
2005-01-01	155
2006-01-01	171
2007-01-01	192
2008-01-01	184
2009-01-01	162
2010-01-01	199
2011-01-01	199
2012-01-01	223
2013-01-01	247
2014-01-01	257
2015-01-01	242
2016-01-01	237