Year	Number of Firms
1992-01-01	60
1997-01-01	45
2002-01-01	88
2003-01-01	100
2004-01-01	123
2005-01-01	129
2006-01-01	184
2007-01-01	281
2008-01-01	433
2009-01-01	454
2010-01-01	601
2011-01-01	689
2012-01-01	753
2013-01-01	754
2014-01-01	698
2015-01-01	522
2016-01-01	437
