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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1951 | 3 |
| 1952 | 4 |
| 1953 | 6 |
| 1954 | 11 |
| 1955 | 9 |
| 1956 | 14 |
| 1957 | 8 |
| 1958 | 6 |
| 1959 | 2 |
| 1960 | 4 |
| 1961 | 7 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 14 |
| 1966 | 34 |
| 1967 | 81 |
| 1968 | 89 |
| 1969 | 99 |
| 1970 | 87 |
| 1971 | 98 |
| 1972 | 103 |
| 1973 | 120 |
| 1974 | 103 |
| 1975 | 78 |
| 1976 | 46 |
| 1977 | 59 |
| 1978 | 55 |
| 1979 | 66 |
| 1980 | 46 |
| 1981 | 54 |
| 1982 | 74 |
| 1983 | 69 |
| 1984 | 83 |
| 1985 | 73 |
| 1986 | 78 |
| 1987 | 98 |
| 1988 | 95 |
| 1989 | 102 |
| 1990 | 128 |
| 1991 | 135 |
| 1992 | 148 |
| 1993 | 187 |
| 1994 | 198 |
| 1995 | 170 |
| 1996 | 260 |
| 1997 | 253 |
| 1998 | 286 |
| 1999 | 311 |
| 2000 | 363 |
| 2001 | 363 |
| 2002 | 389 |
| 2003 | 487 |
| 2004 | 504 |
| 2005 | 553 |
| 2006 | 633 |
| 2007 | 669 |
| 2008 | 788 |
| 2009 | 863 |
| 2010 | 881 |
| 2011 | 969 |
| 2012 | 1204 |
| 2013 | 1371 |
| 2014 | 1425 |
| 2015 | 1462 |
| 2016 | 1423 |
| 2017 | 1442 |
| 2018 | 1458 |
| 2019 | 1397 |
| 2020 | 1522 |
| 2021 | 1818 |
| 2022 | 2130 |
| 2023 | 1963 |
| 2024 | 600 |