Year	Number of Firms
1992-01-01	22
1997-01-01	33
2002-01-01	46
2003-01-01	74
2004-01-01	76
2005-01-01	78
2006-01-01	84
2007-01-01	114
2008-01-01	140
2009-01-01	172
2010-01-01	183
2011-01-01	185
2012-01-01	209
2013-01-01	230
2014-01-01	159
2015-01-01	165
2016-01-01	234