to measure the social value of our programs, we adapted the london benchmark group (lbg) business for social impact framework and social return on investment (sroi) methodology to effectively quantify our corporate citizenship and philanthropy investments. we hope to make better decisions, be more accountable, and maximize the effectiveness of each program. usi invested cny 3.83 million in 68 social activities and 40 external organizations in 2021 and engaged 314 employees to volunteer 1,717 hours of service throughout the year.
the following figures show the ratio of cny invested by type of approach, type of activities, and type of contribution:
|investment by approach||investment by type of activities||investment by type of contribution|