With the below data please show how to calculate correlation coefficient between Ebay, Alibaba and Goat.

Please show working out and what formula is being used. Do not use excel

Year	Ebay	Alibaba	Gumtree	Goat
2016	587	67.03	1.715	4.33
2017	823.48	101.31	1.53	6.21
2018	1450.89	204.29	7.15	6.76
2019	1718.73	168.49	4.3	6.57
2020	2008.72	206.59	5.16	4.13
2021	3206.2	253.83	17.99	3.17
2022	2991.47	125.79	6.19	4.08