[ImgBot] Optimize images

[imgbot[bot]]

Beep boop. Your images are optimized!

Your image file size has been reduced by 44% 🎉

Details

| File | Before | After | Percent reduction | |:--|:--|:--|:--| | /Images/day_plot.png | 19.78kb | 4.40kb | 77.73% | | /Images/Sal_states.png | 17.18kb | 3.91kb | 77.26% | | /Images/top3_sals.png | 18.68kb | 4.92kb | 73.63% | | /Images/DC_plot.png | 21.15kb | 5.87kb | 72.26% | | /Images/CA_plot.png | 20.20kb | 5.63kb | 72.15% | | /Images/VA_plot.png | 19.57kb | 5.45kb | 72.15% | | /Images/MD_plot.png | 22.12kb | 6.29kb | 71.57% | | /Images/city_sal.png | 25.52kb | 7.33kb | 71.28% | | /Images/TX_plot.png | 21.75kb | 6.36kb | 70.77% | | /Images/comp_jobs.png | 35.64kb | 10.88kb | 69.48% | | /Images/min_max_sal_ind.png | 30.28kb | 16.04kb | 47.03% | | /Images/State_jobs.png | 38.06kb | 22.23kb | 41.59% | | /Images/title_njobs.png | 37.53kb | 23.50kb | 37.37% | | /Images/ind_dom.png | 50.62kb | 32.49kb | 35.82% | | /Images/min_Sal_dist.png | 18.15kb | 14.82kb | 18.35% | | /Images/title_ngrams.png | 49.90kb | 41.49kb | 16.85% | | /Images/skills_ngrams.png | 53.46kb | 44.58kb | 16.61% | | /Images/max_sal.png | 17.75kb | 14.86kb | 16.29% | | /Images/rating_dist.png | 12.68kb | 10.70kb | 15.61% | | /Images/Feature_expln.png | 57.60kb | 49.64kb | 13.81% | | | | | | | **Total :** | **587.58kb** | **331.37kb** | **43.60%** |

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