[	{
		"Year": "2016",
		"Tier1": 1,
		"Tier2": 1
	},
	{
		"Year": "2017",
		"Tier1": 0,
		"Tier2": 0
	},
	{
		"Year": "2018",
		"Tier1": 1,
		"Tier2": 1
	},
	{
		"Year": "2019",
		"Tier1": 0,
		"Tier2": 0
	},
	{
		"Year": "2020",
		"Tier1": 1,
		"Tier2": 2
	}
]