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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1956 | 3 |
| 1957 | 3 |
| 1959 | 2 |
| 1965 | 2 |
| 1966 | 1 |
| 1967 | 7 |
| 1968 | 7 |
| 1969 | 7 |
| 1970 | 12 |
| 1971 | 5 |
| 1972 | 8 |
| 1973 | 21 |
| 1974 | 19 |
| 1975 | 17 |
| 1976 | 32 |
| 1977 | 25 |
| 1978 | 28 |
| 1979 | 25 |
| 1980 | 35 |
| 1981 | 30 |
| 1982 | 44 |
| 1983 | 38 |
| 1984 | 58 |
| 1985 | 50 |
| 1986 | 50 |
| 1987 | 47 |
| 1988 | 44 |
| 1989 | 56 |
| 1990 | 67 |
| 1991 | 69 |
| 1992 | 63 |
| 1993 | 65 |
| 1994 | 69 |
| 1995 | 72 |
| 1996 | 73 |
| 1997 | 90 |
| 1998 | 118 |
| 1999 | 125 |
| 2000 | 118 |
| 2001 | 116 |
| 2002 | 151 |
| 2003 | 171 |
| 2004 | 183 |
| 2005 | 209 |
| 2006 | 194 |
| 2007 | 221 |
| 2008 | 311 |
| 2009 | 283 |
| 2010 | 296 |
| 2011 | 296 |
| 2012 | 341 |
| 2013 | 331 |
| 2014 | 329 |
| 2015 | 302 |
| 2016 | 288 |
| 2017 | 274 |
| 2018 | 300 |
| 2019 | 286 |
| 2020 | 333 |
| 2021 | 350 |
| 2022 | 371 |
| 2023 | 320 |
| 2024 | 86 |