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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 2 |
| 1948 | 2 |
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 3 |
| 1960 | 4 |
| 1961 | 4 |
| 1962 | 7 |
| 1963 | 11 |
| 1964 | 3 |
| 1965 | 6 |
| 1966 | 5 |
| 1967 | 8 |
| 1968 | 12 |
| 1969 | 19 |
| 1970 | 11 |
| 1971 | 8 |
| 1972 | 22 |
| 1973 | 19 |
| 1974 | 17 |
| 1975 | 15 |
| 1976 | 21 |
| 1977 | 23 |
| 1978 | 26 |
| 1979 | 36 |
| 1980 | 30 |
| 1981 | 36 |
| 1982 | 55 |
| 1983 | 55 |
| 1984 | 60 |
| 1985 | 70 |
| 1986 | 65 |
| 1987 | 79 |
| 1988 | 83 |
| 1989 | 85 |
| 1990 | 105 |
| 1991 | 94 |
| 1992 | 113 |
| 1993 | 132 |
| 1994 | 137 |
| 1995 | 149 |
| 1996 | 164 |
| 1997 | 150 |
| 1998 | 150 |
| 1999 | 175 |
| 2000 | 246 |
| 2001 | 321 |
| 2002 | 362 |
| 2003 | 432 |
| 2004 | 541 |
| 2005 | 636 |
| 2006 | 751 |
| 2007 | 811 |
| 2008 | 963 |
| 2009 | 1113 |
| 2010 | 1298 |
| 2011 | 1507 |
| 2012 | 1772 |
| 2013 | 2024 |
| 2014 | 2315 |
| 2015 | 2587 |
| 2016 | 2683 |
| 2017 | 2770 |
| 2018 | 3139 |
| 2019 | 3705 |
| 2020 | 4368 |
| 2021 | 4887 |
| 2022 | 5631 |
| 2023 | 2702 |