| CPI | WPI | DEFL | NGDP | ||||
---|---|---|---|---|---|---|---|---|
 | Mean | Std. | Mean | Std. | Mean | Std. | Mean | Std. |
1804–1849: Competing currencies | −0.8 | 13.3 | −1.4 | 10.7 |  |  |  |  |
1850–1873: Bimetallism | 2.9 | 9.3 | 2.2 | 6.6 | 3.2 | 11.6 | 3.9 | 5.2 |
1874–1906: Gold Standard | −0.7 | 3.1 | −1.1 | 4.3 | −1.3 | 5.6 | 1.5 | 4.0 |
1907–1944: World War period | 2.3 | 8.1 | 2.3 | 14.5 | 2.3 | 8.5 | 2.7 | 9.1 |
1945–1973: Bretton Woods | 2.3 | 2.1 | 1.0 | 3.3 | 3.6 | 2.7 | 6.7 | 3.9 |
1974–1999: Monetary targeting | 3.2 | 2.5 | 1.4 | 4.1 | 3.0 | 3.2 | 3.8 | 3.2 |
2000–2017: Inflation targeting | 0.5 | 0.9 | −0.1 | 2.3 | 0.6 | 0.9 | 1.6 | 2.4 |