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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1952 | 3 |
| 1953 | 2 |
| 1955 | 12 |
| 1956 | 14 |
| 1957 | 17 |
| 1958 | 12 |
| 1959 | 8 |
| 1960 | 20 |
| 1961 | 23 |
| 1962 | 21 |
| 1963 | 2 |
| 1964 | 6 |
| 1965 | 43 |
| 1966 | 61 |
| 1967 | 87 |
| 1968 | 100 |
| 1969 | 76 |
| 1970 | 65 |
| 1971 | 85 |
| 1972 | 97 |
| 1973 | 75 |
| 1974 | 93 |
| 1975 | 88 |
| 1976 | 89 |
| 1977 | 81 |
| 1978 | 71 |
| 1979 | 100 |
| 1980 | 86 |
| 1981 | 78 |
| 1982 | 67 |
| 1983 | 68 |
| 1984 | 70 |
| 1985 | 82 |
| 1986 | 70 |
| 1987 | 95 |
| 1988 | 88 |
| 1989 | 88 |
| 1990 | 92 |
| 1991 | 96 |
| 1992 | 103 |
| 1993 | 131 |
| 1994 | 115 |
| 1995 | 160 |
| 1996 | 104 |
| 1997 | 149 |
| 1998 | 143 |
| 1999 | 204 |
| 2000 | 248 |
| 2001 | 281 |
| 2002 | 246 |
| 2003 | 270 |
| 2004 | 327 |
| 2005 | 323 |
| 2006 | 438 |
| 2007 | 519 |
| 2008 | 591 |
| 2009 | 651 |
| 2010 | 600 |
| 2011 | 612 |
| 2012 | 653 |
| 2013 | 589 |
| 2014 | 464 |
| 2015 | 452 |
| 2016 | 492 |
| 2017 | 498 |
| 2018 | 490 |
| 2019 | 431 |
| 2020 | 345 |
| 2021 | 311 |
| 2022 | 120 |
| 2023 | 99 |
| 2024 | 41 |