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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1961 | 2 |
| 1964 | 2 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 4 |
| 1970 | 8 |
| 1971 | 8 |
| 1972 | 12 |
| 1973 | 16 |
| 1974 | 22 |
| 1975 | 14 |
| 1976 | 17 |
| 1977 | 15 |
| 1978 | 31 |
| 1979 | 34 |
| 1980 | 38 |
| 1981 | 31 |
| 1982 | 22 |
| 1983 | 27 |
| 1984 | 32 |
| 1985 | 36 |
| 1986 | 28 |
| 1987 | 41 |
| 1988 | 35 |
| 1989 | 43 |
| 1990 | 42 |
| 1991 | 59 |
| 1992 | 65 |
| 1993 | 61 |
| 1994 | 82 |
| 1995 | 87 |
| 1996 | 92 |
| 1997 | 101 |
| 1998 | 109 |
| 1999 | 114 |
| 2000 | 134 |
| 2001 | 175 |
| 2002 | 178 |
| 2003 | 201 |
| 2004 | 273 |
| 2005 | 280 |
| 2006 | 340 |
| 2007 | 374 |
| 2008 | 417 |
| 2009 | 458 |
| 2010 | 521 |
| 2011 | 611 |
| 2012 | 594 |
| 2013 | 666 |
| 2014 | 689 |
| 2015 | 811 |
| 2016 | 813 |
| 2017 | 839 |
| 2018 | 884 |
| 2019 | 982 |
| 2020 | 1213 |
| 2021 | 1387 |
| 2022 | 1543 |
| 2023 | 1361 |
| 2024 | 522 |