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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 3 |
| 1965 | 4 |
| 1966 | 10 |
| 1967 | 10 |
| 1968 | 5 |
| 1969 | 14 |
| 1970 | 16 |
| 1971 | 10 |
| 1972 | 28 |
| 1973 | 31 |
| 1974 | 42 |
| 1975 | 46 |
| 1976 | 40 |
| 1977 | 50 |
| 1978 | 59 |
| 1979 | 77 |
| 1980 | 53 |
| 1981 | 56 |
| 1982 | 68 |
| 1983 | 73 |
| 1984 | 66 |
| 1985 | 57 |
| 1986 | 79 |
| 1987 | 76 |
| 1988 | 50 |
| 1989 | 76 |
| 1990 | 73 |
| 1991 | 68 |
| 1992 | 57 |
| 1993 | 60 |
| 1994 | 60 |
| 1995 | 68 |
| 1996 | 80 |
| 1997 | 67 |
| 1998 | 71 |
| 1999 | 78 |
| 2000 | 75 |
| 2001 | 73 |
| 2002 | 86 |
| 2003 | 128 |
| 2004 | 128 |
| 2005 | 110 |
| 2006 | 137 |
| 2007 | 158 |
| 2008 | 152 |
| 2009 | 191 |
| 2010 | 182 |
| 2011 | 188 |
| 2012 | 223 |
| 2013 | 231 |
| 2014 | 275 |
| 2015 | 265 |
| 2016 | 236 |
| 2017 | 285 |
| 2018 | 346 |
| 2019 | 348 |
| 2020 | 367 |
| 2021 | 221 |
| 2022 | 26 |
| 2023 | 8 |
| 2024 | 3 |