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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 1 |
| 1970 | 1 |
| 1971 | 3 |
| 1972 | 7 |
| 1973 | 38 |
| 1974 | 73 |
| 1975 | 45 |
| 1976 | 62 |
| 1977 | 49 |
| 1978 | 34 |
| 1979 | 56 |
| 1980 | 39 |
| 1981 | 29 |
| 1982 | 75 |
| 1983 | 67 |
| 1984 | 76 |
| 1985 | 57 |
| 1986 | 50 |
| 1987 | 50 |
| 1988 | 65 |
| 1989 | 52 |
| 1990 | 59 |
| 1991 | 50 |
| 1992 | 52 |
| 1993 | 54 |
| 1994 | 58 |
| 1995 | 74 |
| 1996 | 63 |
| 1997 | 64 |
| 1998 | 60 |
| 1999 | 78 |
| 2000 | 74 |
| 2001 | 83 |
| 2002 | 89 |
| 2003 | 96 |
| 2004 | 102 |
| 2005 | 123 |
| 2006 | 150 |
| 2007 | 151 |
| 2008 | 159 |
| 2009 | 172 |
| 2010 | 152 |
| 2011 | 261 |
| 2012 | 248 |
| 2013 | 255 |
| 2014 | 238 |
| 2015 | 276 |
| 2016 | 249 |
| 2017 | 241 |
| 2018 | 288 |
| 2019 | 188 |
| 2020 | 162 |
| 2021 | 106 |
| 2022 | 36 |
| 2023 | 22 |
| 2024 | 10 |