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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 5 |
| 1957 | 4 |
| 1958 | 6 |
| 1959 | 1 |
| 1960 | 4 |
| 1961 | 5 |
| 1965 | 11 |
| 1966 | 17 |
| 1967 | 26 |
| 1968 | 29 |
| 1969 | 26 |
| 1970 | 49 |
| 1971 | 52 |
| 1972 | 56 |
| 1973 | 60 |
| 1974 | 55 |
| 1975 | 60 |
| 1976 | 56 |
| 1977 | 72 |
| 1978 | 76 |
| 1979 | 104 |
| 1980 | 93 |
| 1981 | 130 |
| 1982 | 185 |
| 1983 | 189 |
| 1984 | 233 |
| 1985 | 310 |
| 1986 | 297 |
| 1987 | 300 |
| 1988 | 284 |
| 1989 | 434 |
| 1990 | 558 |
| 1991 | 539 |
| 1992 | 577 |
| 1993 | 572 |
| 1994 | 677 |
| 1995 | 717 |
| 1996 | 738 |
| 1997 | 792 |
| 1998 | 763 |
| 1999 | 755 |
| 2000 | 882 |
| 2001 | 865 |
| 2002 | 928 |
| 2003 | 1021 |
| 2004 | 1111 |
| 2005 | 1064 |
| 2006 | 1124 |
| 2007 | 1302 |
| 2008 | 1426 |
| 2009 | 1364 |
| 2010 | 1544 |
| 2011 | 1728 |
| 2012 | 1681 |
| 2013 | 1824 |
| 2014 | 1956 |
| 2015 | 1952 |
| 2016 | 2212 |
| 2017 | 2383 |
| 2018 | 2381 |
| 2019 | 2514 |
| 2020 | 2684 |
| 2021 | 2665 |
| 2022 | 2869 |
| 2023 | 2733 |
| 2024 | 911 |