Bellevue, Seattle and Olympia were recently ranked among the most LGBT inclusive cities in the country by the Human Rights Campaign.

The three cities received a perfect score on the Human Rights Campaign’s (HRC) Municipal Equality Index, which is a nationwide evaluation on the laws, policies and services of municipalities and rates them on the basis of their inclusivity of LGBT people who live and work there. In all, 47 out of 408 cities across the country were given a perfect 100-point score.

That’s up from 38 cities in 2014, 25 cities in 2013 and 11 cities in 2012, according to the HRC.

Five categories are examined to compile the ratings: Non-Discrimination Laws, Municipality as Employer, Municipal Services, Law Enforcement and Relationship with the LGBT Community.

At least 32 million people live in cities with fully inclusive local protections that are not guaranteed by the states in which they live, the HRC reported.

While cities must excel in all those categories to achieve a perfect score, cities must also embrace comprehensive transgender-inclusive laws and policies that often go beyond explicit protections offered by their state or the federal government. This year, 66 cities, or 16 percent, of those rated in 2015 are offering transgender-inclusive health care options to city employees.

As a part of this year’s indexing, the HRC also reportedly advised cities on how to address the epidemic of anti-transgender violence and expand domestic partnership laws and policies.

This was the first time that Bellevue made the list. Seattle and Olympia have both made the list in the past.