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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 1 |
| 1949 | 7 |
| 1951 | 8 |
| 1952 | 9 |
| 1953 | 22 |
| 1954 | 18 |
| 1955 | 33 |
| 1956 | 18 |
| 1957 | 27 |
| 1958 | 16 |
| 1959 | 6 |
| 1961 | 1 |
| 1964 | 2 |
| 1965 | 21 |
| 1966 | 47 |
| 1967 | 58 |
| 1968 | 69 |
| 1969 | 73 |
| 1970 | 51 |
| 1971 | 60 |
| 1972 | 72 |
| 1973 | 89 |
| 1974 | 81 |
| 1975 | 97 |
| 1976 | 108 |
| 1977 | 123 |
| 1978 | 182 |
| 1979 | 205 |
| 1980 | 221 |
| 1981 | 217 |
| 1982 | 234 |
| 1983 | 275 |
| 1984 | 230 |
| 1985 | 224 |
| 1986 | 205 |
| 1987 | 225 |
| 1988 | 150 |
| 1989 | 217 |
| 1990 | 219 |
| 1991 | 237 |
| 1992 | 288 |
| 1993 | 256 |
| 1994 | 299 |
| 1995 | 394 |
| 1996 | 419 |
| 1997 | 428 |
| 1998 | 500 |
| 1999 | 396 |
| 2000 | 406 |
| 2001 | 393 |
| 2002 | 587 |
| 2003 | 624 |
| 2004 | 740 |
| 2005 | 797 |
| 2006 | 961 |
| 2007 | 1013 |
| 2008 | 1068 |
| 2009 | 975 |
| 2010 | 1022 |
| 2011 | 989 |
| 2012 | 1140 |
| 2013 | 1210 |
| 2014 | 1070 |
| 2015 | 902 |
| 2016 | 708 |
| 2017 | 567 |
| 2018 | 513 |
| 2019 | 446 |
| 2020 | 325 |
| 2021 | 150 |
| 2022 | 19 |
| 2023 | 3 |
| 2024 | 52 |