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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 2 |
| 1967 | 10 |
| 1968 | 32 |
| 1969 | 30 |
| 1970 | 46 |
| 1971 | 65 |
| 1972 | 35 |
| 1973 | 52 |
| 1974 | 19 |
| 1975 | 19 |
| 1976 | 10 |
| 1977 | 6 |
| 1978 | 15 |
| 1979 | 18 |
| 1980 | 7 |
| 1981 | 6 |
| 1982 | 10 |
| 1983 | 5 |
| 1984 | 16 |
| 1985 | 11 |
| 1986 | 10 |
| 1987 | 13 |
| 1988 | 31 |
| 1989 | 35 |
| 1990 | 75 |
| 1991 | 62 |
| 1992 | 75 |
| 1993 | 84 |
| 1994 | 42 |
| 1995 | 47 |
| 1996 | 61 |
| 1997 | 58 |
| 1998 | 68 |
| 1999 | 46 |
| 2000 | 64 |
| 2001 | 69 |
| 2002 | 99 |
| 2003 | 80 |
| 2004 | 81 |
| 2005 | 103 |
| 2006 | 73 |
| 2007 | 90 |
| 2008 | 116 |
| 2009 | 124 |
| 2010 | 167 |
| 2011 | 196 |
| 2012 | 191 |
| 2013 | 224 |
| 2014 | 185 |
| 2015 | 203 |
| 2016 | 198 |
| 2017 | 208 |
| 2018 | 209 |
| 2019 | 227 |
| 2020 | 157 |
| 2021 | 72 |
| 2022 | 10 |
| 2023 | 9 |
| 2024 | 0 |