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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 2 |
| 1951 | 4 |
| 1952 | 5 |
| 1953 | 4 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 7 |
| 1957 | 9 |
| 1958 | 9 |
| 1959 | 13 |
| 1960 | 18 |
| 1961 | 23 |
| 1962 | 53 |
| 1963 | 111 |
| 1964 | 235 |
| 1965 | 192 |
| 1966 | 189 |
| 1967 | 255 |
| 1968 | 295 |
| 1969 | 319 |
| 1970 | 353 |
| 1971 | 432 |
| 1972 | 422 |
| 1973 | 469 |
| 1974 | 474 |
| 1975 | 471 |
| 1976 | 489 |
| 1977 | 512 |
| 1978 | 524 |
| 1979 | 457 |
| 1980 | 484 |
| 1981 | 533 |
| 1982 | 546 |
| 1983 | 587 |
| 1984 | 655 |
| 1985 | 733 |
| 1986 | 682 |
| 1987 | 654 |
| 1988 | 673 |
| 1989 | 743 |
| 1990 | 719 |
| 1991 | 747 |
| 1992 | 761 |
| 1993 | 782 |
| 1994 | 727 |
| 1995 | 756 |
| 1996 | 801 |
| 1997 | 717 |
| 1998 | 711 |
| 1999 | 684 |
| 2000 | 694 |
| 2001 | 688 |
| 2002 | 724 |
| 2003 | 793 |
| 2004 | 784 |
| 2005 | 877 |
| 2006 | 921 |
| 2007 | 935 |
| 2008 | 944 |
| 2009 | 1001 |
| 2010 | 1068 |
| 2011 | 1198 |
| 2012 | 1172 |
| 2013 | 1192 |
| 2014 | 1333 |
| 2015 | 1253 |
| 2016 | 1213 |
| 2017 | 1210 |
| 2018 | 1135 |
| 2019 | 1206 |
| 2020 | 1253 |
| 2021 | 1157 |
| 2022 | 1108 |
| 2023 | 1013 |
| 2024 | 932 |
| 2025 | 536 |