Quarter	Thousands Of Firms: Seasonally Adjusted By Source
1945-01-01	3051.00
1945-04-01	3098.00
1945-07-01	3160.00
1945-10-01	3256.00
1946-01-01	3374.00
1946-04-01	3486.00
1946-07-01	3582.00
1946-10-01	3665.00
1947-01-01	3735.00
1947-04-01	3791.00
1947-07-01	3841.00
1947-10-01	3887.00
1948-01-01	3923.00
1948-04-01	3955.00
1948-07-01	3978.00
1948-10-01	3998.00
1949-01-01	4008.00
1949-04-01	4012.00
1949-07-01	4013.00
1949-10-01	4022.00
1950-01-01	4034.00
1950-04-01	4051.00
1950-07-01	4067.00
1950-10-01	4081.00
1951-01-01	4094.00
1951-04-01	4105.00
1951-07-01	4118.00
1951-10-01	4132.00
1952-01-01	4149.00
1952-04-01	4167.00
1952-07-01	4184.00
1952-10-01	4201.00
1953-01-01	4219.00
1953-04-01	4232.00
1953-07-01	4244.00
1953-10-01	4253.00
1954-01-01	4260.00
1954-04-01	4271.00
1954-07-01	4283.00
1954-10-01	4300.00
1955-01-01	4323.00
1955-04-01	4347.00
1955-07-01	4371.00
1955-10-01	4395.00
1956-01-01	4419.00
1956-04-01	4443.00
1956-07-01	4464.00
1956-10-01	4484.00
1957-01-01	4502.00
1957-04-01	4518.00
1957-07-01	4538.00
1957-10-01	4545.00
1958-01-01	4553.00
1958-04-01	4565.00
1958-07-01	4580.00
1958-10-01	4596.00
1959-01-01	4615.00
1959-04-01	4635.00
1959-07-01	4654.00
1959-10-01	4672.00
1960-01-01	4691.00
1960-04-01	4708.00
1960-07-01	4722.00
1960-10-01	4732.00
1961-01-01	4738.00
1961-04-01	4748.00
1961-07-01	4758.00
1961-10-01	4768.00
1962-01-01	4779.00
1962-04-01	4790.00