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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1951 | 1 |
| 1952 | 9 |
| 1953 | 12 |
| 1954 | 10 |
| 1955 | 21 |
| 1956 | 107 |
| 1957 | 154 |
| 1958 | 130 |
| 1959 | 163 |
| 1960 | 184 |
| 1961 | 157 |
| 1962 | 105 |
| 1963 | 41 |
| 1964 | 78 |
| 1965 | 161 |
| 1966 | 218 |
| 1967 | 246 |
| 1968 | 201 |
| 1969 | 201 |
| 1970 | 187 |
| 1971 | 142 |
| 1972 | 159 |
| 1973 | 155 |
| 1974 | 145 |
| 1975 | 132 |
| 1976 | 150 |
| 1977 | 160 |
| 1978 | 153 |
| 1979 | 147 |
| 1980 | 164 |
| 1981 | 140 |
| 1982 | 130 |
| 1983 | 169 |
| 1984 | 136 |
| 1985 | 125 |
| 1986 | 129 |
| 1987 | 128 |
| 1988 | 148 |
| 1989 | 181 |
| 1990 | 166 |
| 1991 | 157 |
| 1992 | 128 |
| 1993 | 136 |
| 1994 | 131 |
| 1995 | 141 |
| 1996 | 133 |
| 1997 | 132 |
| 1998 | 132 |
| 1999 | 123 |
| 2000 | 123 |
| 2001 | 124 |
| 2002 | 146 |
| 2003 | 152 |
| 2004 | 168 |
| 2005 | 163 |
| 2006 | 194 |
| 2007 | 218 |
| 2008 | 224 |
| 2009 | 227 |
| 2010 | 237 |
| 2011 | 298 |
| 2012 | 335 |
| 2013 | 322 |
| 2014 | 339 |
| 2015 | 377 |
| 2016 | 369 |
| 2017 | 320 |
| 2018 | 345 |
| 2019 | 325 |
| 2020 | 321 |
| 2021 | 292 |
| 2022 | 98 |
| 2023 | 37 |
| 2024 | 62 |