Year | T = 0 | T = 1 | T = 2 | T = 3 | T = 4 | T = 5 | T = 6 | T = 7 | T = 8 | T = 9 | T = 10 |
the ratio of total national revenue to the total national cost | 0.921 | 0.969 | 0.998 | 1.014 | 1.022 | 1.024 | 1.022 | 1.017 | 1.011 | 1.003 | 0.995 |