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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1959 | 2 |
| 1960 | 5 |
| 1962 | 1 |
| 1963 | 3 |
| 1964 | 3 |
| 1965 | 3 |
| 1966 | 4 |
| 1967 | 3 |
| 1968 | 2 |
| 1969 | 6 |
| 1970 | 5 |
| 1971 | 4 |
| 1972 | 3 |
| 1973 | 4 |
| 1974 | 4 |
| 1975 | 6 |
| 1976 | 13 |
| 1977 | 10 |
| 1978 | 9 |
| 1979 | 10 |
| 1980 | 11 |
| 1981 | 8 |
| 1982 | 5 |
| 1983 | 10 |
| 1984 | 15 |
| 1985 | 11 |
| 1986 | 14 |
| 1987 | 24 |
| 1988 | 46 |
| 1989 | 45 |
| 1990 | 70 |
| 1991 | 60 |
| 1992 | 86 |
| 1993 | 91 |
| 1994 | 80 |
| 1995 | 101 |
| 1996 | 100 |
| 1997 | 104 |
| 1998 | 105 |
| 1999 | 133 |
| 2000 | 151 |
| 2001 | 161 |
| 2002 | 194 |
| 2003 | 199 |
| 2004 | 221 |
| 2005 | 234 |
| 2006 | 306 |
| 2007 | 331 |
| 2008 | 326 |
| 2009 | 305 |
| 2010 | 376 |
| 2011 | 359 |
| 2012 | 420 |
| 2013 | 504 |
| 2014 | 708 |
| 2015 | 872 |
| 2016 | 934 |
| 2017 | 975 |
| 2018 | 983 |
| 2019 | 1035 |
| 2020 | 1202 |
| 2021 | 1517 |
| 2022 | 1440 |
| 2023 | 1321 |
| 2024 | 1353 |
| 2025 | 1097 |
| 2026 | 1 |