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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 | 62 |
| 1992 | 86 |
| 1993 | 92 |
| 1994 | 80 |
| 1995 | 102 |
| 1996 | 101 |
| 1997 | 105 |
| 1998 | 105 |
| 1999 | 137 |
| 2000 | 154 |
| 2001 | 164 |
| 2002 | 200 |
| 2003 | 208 |
| 2004 | 240 |
| 2005 | 250 |
| 2006 | 330 |
| 2007 | 351 |
| 2008 | 342 |
| 2009 | 338 |
| 2010 | 394 |
| 2011 | 374 |
| 2012 | 434 |
| 2013 | 526 |
| 2014 | 737 |
| 2015 | 905 |
| 2016 | 957 |
| 2017 | 998 |
| 2018 | 1017 |
| 2019 | 1057 |
| 2020 | 1220 |
| 2021 | 1535 |
| 2022 | 1460 |
| 2023 | 1338 |
| 2024 | 1362 |
| 2025 | 1420 |
| 2026 | 1027 |