Last year, Google triggered a cascade of transparency over diversity in the workforce with its first-ever diversity report released to the public. That got the conversation moving about Silicon Valley's workforce being overwhelmingly made up of white men.

After a year of good-faith efforts by Google though, the numbers haven't really budged. As we reported earlier, Google released its second demographics report this week, and the results hit with a disappointing thud: still only three out of 10 employees are women, and the percentage of Black and Latinos at Google hasn't budged at all.

Google's Workforce Remains (Mostly) The Same

For a visual reference a comparison of Google's overall diversity chart with the one from last year. They're nearly identical.

Google: Overall Diversity 2014

Google: Overall Diversity 2015

Blacks and Latinos still hover at two and three percent, respectively, from year to year. Diving further into the numbers, there are minuscule signs of change, including a one percent rise of women in technical roles and leadership positions, and a one percent uptick of African Americans in non-technical roles at the company.

None of the statistics for Latinos at the company changed over the year, though Google pointed out the increase of new Black and Hispanic hires outpaced Google's hiring growth overall.

New Initiatives Aimed at Roots of Diversity Problem

Along with its transparency report, Google was eager to share the diversity initiatives it's working on and investments it's making to make the pipeline of STEM (science, technology, engineering, and mathematics) fields more inclusive.

Among many include unconscious bias training for employees, a 500-Googler enrollment in Diversity Core, a program that pays volunteers to spend up to 20 percent of their work time expanding the company's efforts, and, as we previously reported, a $150 million investment to drive diversity in STEM education on campuses -- up from $115 million allotted last year.

While Google didn't pull any (self-directed) punches about the disappointing figures, it wasn't shy about the roots of the problem. The numbers of minorities in STEM education are still low across the board. For example, Google's 18 percent rate of women in technical roles matches the number of female grads with computer science degrees in the U.S. that the company cited in its 2014 diversity report.

And Latinos still only make up seven percent of the 200 most selective schools that Google usually goes to for new hires. While Google pledged