The use, distribution or reproduction in other forums is permitted, provided the original author and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms. Although the SSN has been one of the most important numbering systems in the United States [e.g., Puckett ; Puckett ], its historical changes in prevalence had not been sufficiently examined. The basic information that the present article provides leads to a better understanding of the health policies and situations in the United States, contributing to medical and social science research. In 1952, the rate was over 99% (99.14%), and after that, the rates were almost 100%3.
At the start of any interview under caution, however, interviewees should be asked whether they wish to consult with a solicitor prior to … Read More