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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 2 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 159 |
| 1952 | 325 |
| 1953 | 357 |
| 1954 | 319 |
| 1955 | 265 |
| 1956 | 257 |
| 1957 | 213 |
| 1958 | 189 |
| 1959 | 69 |
| 1961 | 2 |
| 1963 | 3 |
| 1964 | 20 |
| 1965 | 344 |
| 1966 | 778 |
| 1967 | 950 |
| 1968 | 989 |
| 1969 | 1154 |
| 1970 | 1126 |
| 1971 | 1272 |
| 1972 | 1415 |
| 1973 | 1584 |
| 1974 | 1629 |
| 1975 | 1543 |
| 1976 | 1586 |
| 1977 | 1597 |
| 1978 | 1606 |
| 1979 | 1717 |
| 1980 | 1632 |
| 1981 | 1737 |
| 1982 | 1759 |
| 1983 | 1664 |
| 1984 | 1771 |
| 1985 | 1815 |
| 1986 | 1823 |
| 1987 | 1634 |
| 1988 | 1621 |
| 1989 | 1614 |
| 1990 | 1765 |
| 1991 | 1542 |
| 1992 | 1564 |
| 1993 | 1565 |
| 1994 | 1452 |
| 1995 | 1523 |
| 1996 | 1512 |
| 1997 | 1572 |
| 1998 | 1630 |
| 1999 | 1650 |
| 2000 | 1614 |
| 2001 | 1657 |
| 2002 | 1831 |
| 2003 | 1928 |
| 2004 | 1968 |
| 2005 | 2155 |
| 2006 | 2395 |
| 2007 | 2473 |
| 2008 | 2554 |
| 2009 | 2715 |
| 2010 | 2905 |
| 2011 | 3142 |
| 2012 | 3158 |
| 2013 | 3141 |
| 2014 | 3283 |
| 2015 | 2970 |
| 2016 | 2714 |
| 2017 | 2484 |
| 2018 | 2400 |
| 2019 | 2308 |
| 2020 | 2169 |
| 2021 | 1953 |
| 2022 | 2081 |
| 2023 | 1853 |
| 2024 | 1735 |
| 2025 | 1858 |
| 2026 | 1200 |
| 2027 | 1 |