Based on the analysis of financials pertaining to the last four years of operation of a company, the following ratios had been derived. Based on such ratio analysis, you are required to comment on the performances of the said company in respect of all four years, starting from the year 2017.

Years	Capital Turnover Ratio [CTR]	Net Profit Ratio [NPR]	Return on Investments [ROI]	Current Ratio [CR]
2017	1.0	8%	8%	6.0
2018	2.0	10%	20%	4.0
2019	3.0	11.5%	34.5%	2.0
2020	5.0	13%	65%	0.5