The TTS data are available in comma separated format (CSV) which can be used in any spreadsheet program. The files can be viewed by clicking on the link. To download the file, right click on the link and select “Save Link As”. No information is presented for categories that have less than four observations or survey records. These categories are denoted by an asterisk (*). Some categories were not part of the survey for all years and “N/A” is used to denote that no information is available for a characteristic for a given year.