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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1953 | 3 |
| 1954 | 1 |
| 1955 | 1 |
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 3 |
| 1961 | 2 |
| 1962 | 1 |
| 1963 | 4 |
| 1964 | 5 |
| 1965 | 3 |
| 1966 | 3 |
| 1967 | 2 |
| 1968 | 6 |
| 1969 | 12 |
| 1970 | 8 |
| 1971 | 17 |
| 1972 | 7 |
| 1973 | 13 |
| 1974 | 23 |
| 1975 | 10 |
| 1976 | 21 |
| 1977 | 25 |
| 1978 | 10 |
| 1979 | 6 |
| 1980 | 35 |
| 1981 | 24 |
| 1982 | 28 |
| 1983 | 34 |
| 1984 | 41 |
| 1985 | 37 |
| 1986 | 47 |
| 1987 | 50 |
| 1988 | 45 |
| 1989 | 47 |
| 1990 | 52 |
| 1991 | 86 |
| 1992 | 75 |
| 1993 | 87 |
| 1994 | 96 |
| 1995 | 97 |
| 1996 | 118 |
| 1997 | 121 |
| 1998 | 132 |
| 1999 | 131 |
| 2000 | 138 |
| 2001 | 179 |
| 2002 | 223 |
| 2003 | 250 |
| 2004 | 330 |
| 2005 | 384 |
| 2006 | 426 |
| 2007 | 480 |
| 2008 | 624 |
| 2009 | 641 |
| 2010 | 826 |
| 2011 | 957 |
| 2012 | 1170 |
| 2013 | 1335 |
| 2014 | 1577 |
| 2015 | 1854 |
| 2016 | 1999 |
| 2017 | 2330 |
| 2018 | 2571 |
| 2019 | 3026 |
| 2020 | 3559 |
| 2021 | 4141 |
| 2022 | 5104 |
| 2023 | 645 |