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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 2 |
| 1962 | 1 |
| 1963 | 5 |
| 1964 | 6 |
| 1965 | 1 |
| 1967 | 1 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 3 |
| 1974 | 8 |
| 1975 | 48 |
| 1976 | 52 |
| 1977 | 40 |
| 1978 | 44 |
| 1979 | 53 |
| 1980 | 46 |
| 1981 | 36 |
| 1982 | 39 |
| 1983 | 36 |
| 1984 | 36 |
| 1985 | 36 |
| 1986 | 46 |
| 1987 | 43 |
| 1988 | 41 |
| 1989 | 41 |
| 1990 | 33 |
| 1991 | 44 |
| 1992 | 60 |
| 1993 | 56 |
| 1994 | 67 |
| 1995 | 66 |
| 1996 | 70 |
| 1997 | 58 |
| 1998 | 78 |
| 1999 | 80 |
| 2000 | 73 |
| 2001 | 93 |
| 2002 | 93 |
| 2003 | 107 |
| 2004 | 90 |
| 2005 | 155 |
| 2006 | 130 |
| 2007 | 153 |
| 2008 | 133 |
| 2009 | 179 |
| 2010 | 202 |
| 2011 | 195 |
| 2012 | 232 |
| 2013 | 264 |
| 2014 | 310 |
| 2015 | 308 |
| 2016 | 277 |
| 2017 | 297 |
| 2018 | 312 |
| 2019 | 318 |
| 2020 | 311 |
| 2021 | 252 |
| 2022 | 154 |
| 2023 | 146 |
| 2024 | 72 |