Chart 4. BLS official productive capital stock measures compared with BLS revised sets 1 and 2 depreciation rate estimates (applied beginning in 1985) for the private nonfarm business sector, constant 2012 dollars (in billions), 1987 to 2018
Year Official measure Set 1 Set 2

1987

 $22,395.90 $22,346.47 $22,355.24

1988

 22,938.20 22,824.10 22,846.38

1989

 23,467.29 23,259.81 23,301.89

1990

 23,978.30 23,648.29 23,716.22

1991

 24,382.96 23,902.04 24,000.95

1992

 24,685.42 24,028.36 24,162.07

1993

 25,017.98 24,163.32 24,335.02

1994

 25,406.10 24,334.93 24,548.41

1995

 25,867.74 24,562.29 24,822.28

1996

 26,359.65 24,803.03 25,115.98

1997

 26,953.83 25,129.89 25,503.99

1998

 27,644.02 25,537.00 25,981.64

1999

 28,365.36 25,958.87 26,484.55

2000

 29,137.56 26,415.15 27,033.77

2001

 29,834.11 26,779.03 27,502.51

2002

 30,326.57 26,924.45 27,761.95

2003

 30,733.43 26,974.87 27,932.79

2004

 31,164.48 27,044.81 28,126.51

2005

 31,692.44 27,209.10 28,416.83

2006

 32,309.81 27,458.52 28,793.79

2007

 32,989.55 27,764.86 29,229.68

2008

 33,623.12 28,017.68 29,613.67

2009

 33,875.73 27,882.13 29,608.85

2010

 34,002.04 27,622.08 29,473.43

2011

 34,313.60 27,552.84 29,520.13

2012

 34,760.97 27,626.42 29,700.89

2013

 35,322.94 27,818.61 29,993.00

2014

 35,986.30 28,113.90 30,382.24

2015

 36,740.93 28,500.64 30,858.72

2016

 37,425.58 28,815.97 31,262.30

2017

 38,071.41 29,090.45 31,627.14

2018

 38,813.33 29,458.33 32,090.34

Note: BLS productive capital stock is an unweighted direct aggregate of underlying asset productive capital stocks. BLS = U.S. Bureau of Labor Statistics.

Source: U.S. Bureau of Labor Statistics and authors’ calculations