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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 1 |
| 1953 | 4 |
| 1954 | 1 |
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 5 |
| 1959 | 4 |
| 1960 | 17 |
| 1961 | 15 |
| 1962 | 24 |
| 1963 | 15 |
| 1964 | 31 |
| 1965 | 26 |
| 1966 | 36 |
| 1967 | 39 |
| 1968 | 46 |
| 1969 | 32 |
| 1970 | 34 |
| 1971 | 47 |
| 1972 | 35 |
| 1973 | 35 |
| 1974 | 70 |
| 1975 | 42 |
| 1976 | 55 |
| 1977 | 58 |
| 1978 | 56 |
| 1979 | 79 |
| 1980 | 87 |
| 1981 | 82 |
| 1982 | 110 |
| 1983 | 121 |
| 1984 | 125 |
| 1985 | 131 |
| 1986 | 123 |
| 1987 | 135 |
| 1988 | 181 |
| 1989 | 185 |
| 1990 | 229 |
| 1991 | 208 |
| 1992 | 233 |
| 1993 | 229 |
| 1994 | 263 |
| 1995 | 257 |
| 1996 | 280 |
| 1997 | 289 |
| 1998 | 280 |
| 1999 | 297 |
| 2000 | 324 |
| 2001 | 328 |
| 2002 | 284 |
| 2003 | 356 |
| 2004 | 351 |
| 2005 | 380 |
| 2006 | 351 |
| 2007 | 353 |
| 2008 | 388 |
| 2009 | 432 |
| 2010 | 440 |
| 2011 | 541 |
| 2012 | 538 |
| 2013 | 533 |
| 2014 | 554 |
| 2015 | 567 |
| 2016 | 538 |
| 2017 | 522 |
| 2018 | 564 |
| 2019 | 579 |
| 2020 | 644 |
| 2021 | 735 |
| 2022 | 741 |
| 2023 | 661 |
| 2024 | 260 |