text: var tweet_index = [
  	{
  		"file_name": "data/js/tweets/2020_03.js",
  		"year": 2020,
  		"var_name": "tweets_2020_03",
  		"tweet_count": 1,
  		"month": 3
  	},
  	{
  		"file_name": "data/js/tweets/2019_04.js",
  		"year": 2019,
  		"var_name": "tweets_2019_04",
  		"tweet_count": 1,
  		"month": 4
  	},
  	{
  		"file_name": "data/js/tweets/2019_03.js",
  		"year": 2019,
  		"var_name": "tweets_2019_03",
  		"tweet_count": 5,
  		"month": 3
  	},
  	{
  		"file_name": "data/js/tweets/2019_02.js",
  		"year": 2019,
  		"var_name": "tweets_2019_02",
  		"tweet_count": 3,
  		"month": 2
  	}
  ]