Year	Number of Firms
1992-01-01	64
1997-01-01	83
2002-01-01	103
2003-01-01	116
2004-01-01	122
2005-01-01	124
2006-01-01	134
2007-01-01	160
2008-01-01	159
2009-01-01	180
2010-01-01	166
2011-01-01	186
2012-01-01	211
2013-01-01	207
2014-01-01	223
2015-01-01	213
2016-01-01	228