*********************************************************** *** National CO2 Emissions from Fossil-Fuel Burning, *** *** Cement Manufacture, and Gas Flaring: 1751-2002 *** *** *** *** August 31, 2005 *** *** *** *** Source: Gregg Marland *** *** Tom Boden *** *** Carbon Dioxide Information Analysis Center *** *** Oak Ridge National Laboratory *** *** Oak Ridge, Tennessee 37831-6335 *** *** *** *** Robert J. Andres *** *** University of North Dakota *** *** Grand Forks, North Dakota 58202-9008 *** *********************************************************** All emission estimates are expressed in thousand metric tons of carbon. Per capita emission estimates are expressed in metric tons of carbon. Population estimates were not available to permit calculations of national per capita estimates before 1950. Bunkers refers to fuels used for international trade and are not included in national totals. PUERTO RICO Total Fossil Fuel CO2 Emissions from CO2 Emissions from CO2 Emissions from CO2 Emissions from CO2 Emissions from Per Capita CO2 CO2 Emissions from Year CO2 Emissions Gas Fuels Liquid Fuels Solid Fuels Gas Flaring Cement Production Emission Rate Bunker Fuels 1920 57 0 57 0 . 0.0 . 0 1950 668 0 584 9 0 74.6 0.30 104 1951 731 0 625 7 0 98.3 0.33 103 1952 764 0 664 5 0 94.8 0.35 97 1953 817 0 728 5 0 84.8 0.37 94 1954 875 0 786 6 0 83.5 0.39 77 1955 1142 0 1042 2 0 97.3 0.51 89 1956 1470 0 1366 6 0 98.2 0.65 98 1957 1644 0 1513 4 0 127.6 0.72 118 1958 1496 0 1381 1 0 112.8 0.65 91 1959 1737 0 1613 1 0 123.5 0.75 102 1960 1972 0 1846 1 0 125.6 0.84 114 1961 2315 0 2174 1 0 140.8 0.96 111 1962 2823 0 2675 1 0 147.6 1.15 128 1963 2752 0 2585 1 0 166.3 1.10 96 1964 2714 0 2530 1 0 183.5 1.07 100 1965 3057 0 2889 0 0 168.6 1.18 109 1966 3864 0 3676 0 0 187.2 1.48 122 1967 4267 0 4082 0 0 184.7 1.62 149 1968 5644 0 5437 0 0 207.0 2.12 170 1969 6627 0 6419 0 0 207.5 2.47 162 1970 3179 0 2958 0 0 220.8 1.17 162 1971 3107 0 2862 0 0 245.8 1.13 174 1972 3544 0 3302 0 0 241.7 1.27 175 1973 3506 0 3252 0 0 254.2 1.23 220 1974 4269 0 4025 0 0 243.2 1.48 251 1975 4060 0 3865 0 0 195.2 1.38 256 1976 4466 0 4276 0 0 190.6 1.49 209 1977 2772 0 2598 0 0 174.3 0.91 246 1978 4480 0 4296 0 0 184.4 1.45 348 1979 4367 0 4193 0 0 174.3 1.39 227 1980 3832 0 3649 0 0 183.2 1.20 210 1981 3825 0 3675 0 0 150.8 1.18 145 1982 5002 0 4880 0 0 121.6 1.53 145 1983 3866 0 3628 124 0 114.4 1.17 145 1984 3551 0 3355 72 0 123.3 1.06 171 1985 3674 0 3483 72 0 118.9 1.09 90 1986 4414 0 4107 168 0 139.4 1.30 68 1987 5413 0 5040 212 0 160.8 1.57 68 1988 4169 0 3739 259 0 170.9 1.20 128 1989 3440 0 3055 216 0 169.0 0.98 128 1990 3210 0 2853 154 0 203.3 0.91 128 1991 2979 0 2649 139 0 190.7 0.84 128 1992 3078 0 2772 112 0 194.8 0.86 128 1993 2498 0 2204 116 0 178.2 0.69 120 1994 4353 0 4045 117 0 191.1 1.18 128 1995 3400 0 3089 119 0 192.3 0.91 145 1996 2792 0 2458 123 0 211.1 0.75 147 1997 2823 0 2470 125 0 227.5 0.74 150 1998 2675 0 2332 127 0 216.4 0.70 150 1999 2883 0 2518 116 0 248.2 0.74 137 2000 2535 0 2193 116 0 226.3 0.65 133 2001 3596 0 3259 127 0 210.3 0.94 128 2002 3705 0 3369 127 0 208.6 0.96 150