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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1951 | 4 |
| 1953 | 1 |
| 1954 | 2 |
| 1955 | 3 |
| 1958 | 2 |
| 1969 | 2 |
| 1970 | 2 |
| 1971 | 6 |
| 1972 | 17 |
| 1973 | 38 |
| 1974 | 51 |
| 1975 | 51 |
| 1976 | 46 |
| 1977 | 46 |
| 1978 | 31 |
| 1979 | 38 |
| 1980 | 39 |
| 1981 | 34 |
| 1982 | 29 |
| 1983 | 54 |
| 1984 | 38 |
| 1985 | 47 |
| 1986 | 55 |
| 1987 | 46 |
| 1988 | 47 |
| 1989 | 52 |
| 1990 | 61 |
| 1991 | 40 |
| 1992 | 33 |
| 1993 | 48 |
| 1994 | 36 |
| 1995 | 50 |
| 1996 | 54 |
| 1997 | 58 |
| 1998 | 77 |
| 1999 | 52 |
| 2000 | 78 |
| 2001 | 85 |
| 2002 | 66 |
| 2003 | 75 |
| 2004 | 109 |
| 2005 | 103 |
| 2006 | 126 |
| 2007 | 133 |
| 2008 | 166 |
| 2009 | 184 |
| 2010 | 203 |
| 2011 | 294 |
| 2012 | 323 |
| 2013 | 326 |
| 2014 | 363 |
| 2015 | 380 |
| 2016 | 403 |
| 2017 | 525 |
| 2018 | 540 |
| 2019 | 564 |
| 2020 | 467 |
| 2021 | 336 |
| 2022 | 64 |
| 2023 | 38 |
| 2024 | 708 |
| 2025 | 582 |