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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1964 | 3 |
| 1966 | 1 |
| 1968 | 2 |
| 1969 | 1 |
| 1970 | 5 |
| 1971 | 2 |
| 1972 | 4 |
| 1973 | 5 |
| 1974 | 9 |
| 1975 | 3 |
| 1976 | 8 |
| 1977 | 14 |
| 1978 | 14 |
| 1979 | 11 |
| 1980 | 7 |
| 1981 | 21 |
| 1982 | 29 |
| 1983 | 20 |
| 1984 | 25 |
| 1985 | 38 |
| 1986 | 39 |
| 1987 | 61 |
| 1988 | 71 |
| 1989 | 62 |
| 1990 | 69 |
| 1991 | 80 |
| 1992 | 92 |
| 1993 | 132 |
| 1994 | 136 |
| 1995 | 131 |
| 1996 | 159 |
| 1997 | 169 |
| 1998 | 177 |
| 1999 | 197 |
| 2000 | 178 |
| 2001 | 200 |
| 2002 | 240 |
| 2003 | 295 |
| 2004 | 340 |
| 2005 | 427 |
| 2006 | 442 |
| 2007 | 496 |
| 2008 | 613 |
| 2009 | 673 |
| 2010 | 784 |
| 2011 | 898 |
| 2012 | 1079 |
| 2013 | 1272 |
| 2014 | 1475 |
| 2015 | 1571 |
| 2016 | 1720 |
| 2017 | 1848 |
| 2018 | 2095 |
| 2019 | 2497 |
| 2020 | 2760 |
| 2021 | 3120 |
| 2022 | 3457 |
| 2023 | 3402 |
| 2024 | 2648 |
| 2025 | 5 |