the pie charts provide information on the proportion of volunteers from different organizations between 2008 and 2014.
looking from an overall perspective, the percentage of volunteers from environmental, health care and sport institutes witnessed an upward trend, while the reverse was true for art, educational and other organizations. those volunteering in sport organizations took the lead, while health care volunteers remained the lowest by the end of the timeframe.
in detail, the distribution of helpers across environmental initiatives accounted for 21% in 2008 and increased to 29 in 2014, becoming the highest. volunteers from sport institutes constituted 15 at the beginning, before going up to 25% by the end of the period. moreover, the shares of health care enthusiasts made up 7% in 2008 and experienced an upward trend by 1%; despite increasing, it remained the lowest in both years given.
in contrast, volunteers affiliated with artistic and educational organizations, which was the highest at the beginning, constituted 18 and 24% respectively. the figures then went down to 12% for initiatives related to art and to 17% for educational centers in 2014. the figures for other organizations, accounted for 15% in 2008 and declined to 9 by the end of the period.