The internet is killing off the United States Postal Service
| First class volume | |
|---|---|
| 1926 | 15266000000 |
| 1927 | 16284000000 |
| 1928 | 16706000000 |
| 1929 | 17170000000 |
| 1930 | 16901000000 |
| 1931 | 15824000000 |
| 1932 | 14598000000 |
| 1933 | 10878000000 |
| 1934 | 11557000000 |
| 1935 | 12498000000 |
| 1936 | 12731000000 |
| 1937 | 13882000000 |
| 1938 | 14226000000 |
| 1939 | 14657000000 |
| 1940 | 15224000000 |
| 1941 | 15989000000 |
| 1942 | 16972000000 |
| 1944 | 20510000000 |
| 1945 | 21009000000 |
| 1946 | 20059000000 |
| 1947 | 20665000000 |
| 1948 | 21948000000 |
| 1949 | 23206000000 |
| 1950 | 24500000000 |
| 1951 | 25578000000 |
| 1952 | 26502000000 |
| 1953 | 27257000000 |
| 1954 | 27085000000 |
| 1955 | 28713000000 |
| 1956 | 30078000000 |
| 1957 | 31561000000 |
| 1958 | 32218000000 |
| 1959 | 32274000000 |
| 1960 | 33235000000 |
| 1961 | 34289000000 |
| 1962 | 35333000000 |
| 1963 | 35833000000 |
| 1964 | 36943000000 |
| 1965 | 38068000000 |
| 1966 | 40422000000 |
| 1967 | 41998000000 |
| 1968 | 43183000000 |
| 1969 | 46411000000 |
| 1970 | 48640000000 |
| 1971 | 50036000000 |
| 1972 | 48933000000 |
| 1973 | 50965000000 |
| 1974 | 51594000000 |
| 1975 | 51373000000 |
| 1976 | 52108000000 |
| 1977 | 53654000000 |
| 1978 | 55981000000 |
| 1979 | 57926000000 |
| 1980 | 60276000000 |
| 1981 | 61410000000 |
| 1982 | 62200000000 |
| 1983 | 64247000000 |
| 1984 | 68429000000 |
| 1985 | 72440000000 |
| 1986 | 76187000000 |
| 1987 | 78869000000 |
| 1988 | 84749000000 |
| 1989 | 85855000000 |
| 1990 | 89270000000 |
| 1991 | 90285000000 |
| 1992 | 90781000000 |
| 1993 | 92169000000 |
| 1994 | 95333000000 |
| 1995 | 96296000000 |
| 1996 | 98216000000 |
| 1997 | 99660000000 |
| 1998 | 100434000000 |
| 1999 | 101937000000 |
| 2000 | 103526000000 |
| 2001 | 103656000000 |
| 2002 | 102379000000 |
| 2003 | 99059000000 |
| 2004 | 97926000000 |
| 2005 | 98567000000 |
| 2006 | 98016000000 |
| 2007 | 96297000000 |
| 2008 | 90671000000 |
| 2009 | 82727000000 |
| 2010 | 77592000000 |
| 2011 | 72522000000 |
| 2012 | 68674000000 |
| 2013 | 65834000000 |
Sources:
about.usps.com
