sentences:  A 2017 Pew Research Center poll found support for same-sex marriage among Switzerland's population at 75%, with 24% opposed and 1% undecided.In February 2020, a poll conducted by the gfs group found that 81% of respondents "strongly" or "somewhat" supported same-sex marriage, 18% were opposed and 1% were undecided.Since the mid-1990s, an annual Coming Out Day has been held with various publicity events in order to encourage LGBT people to develop a positive relationship with their identity, particularly among young LGBT people.