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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1951 | 2 |
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 1 |
| 1957 | 1 |
| 1959 | 2 |
| 1963 | 3 |
| 1964 | 1 |
| 1965 | 3 |
| 1966 | 3 |
| 1968 | 4 |
| 1969 | 1 |
| 1970 | 9 |
| 1971 | 7 |
| 1972 | 8 |
| 1973 | 5 |
| 1974 | 13 |
| 1975 | 10 |
| 1976 | 12 |
| 1977 | 16 |
| 1978 | 26 |
| 1979 | 21 |
| 1980 | 17 |
| 1981 | 13 |
| 1982 | 17 |
| 1983 | 16 |
| 1984 | 17 |
| 1985 | 28 |
| 1986 | 26 |
| 1987 | 39 |
| 1988 | 34 |
| 1989 | 47 |
| 1990 | 38 |
| 1991 | 47 |
| 1992 | 39 |
| 1993 | 54 |
| 1994 | 71 |
| 1995 | 63 |
| 1996 | 87 |
| 1997 | 75 |
| 1998 | 84 |
| 1999 | 73 |
| 2000 | 68 |
| 2001 | 82 |
| 2002 | 82 |
| 2003 | 78 |
| 2004 | 92 |
| 2005 | 125 |
| 2006 | 151 |
| 2007 | 147 |
| 2008 | 162 |
| 2009 | 194 |
| 2010 | 191 |
| 2011 | 220 |
| 2012 | 230 |
| 2013 | 259 |
| 2014 | 267 |
| 2015 | 302 |
| 2016 | 299 |
| 2017 | 312 |
| 2018 | 348 |
| 2019 | 373 |
| 2020 | 407 |
| 2021 | 503 |
| 2022 | 509 |
| 2023 | 384 |