Year	Number of Firms
1992-01-01	120
1997-01-01	144
2002-01-01	115
2003-01-01	115
2004-01-01	163
2005-01-01	211
2006-01-01	172
2007-01-01	171
2008-01-01	166
2009-01-01	133
2010-01-01	151
2011-01-01	143
2012-01-01	125
2013-01-01	149
2014-01-01	119
2015-01-01	121
2016-01-01	133