What would be an explanation for the large percentages increases of the horizontal analysis in the gross profit, operating income, and non recurring events sections?

Income Statement	Apple Inc.			Horizontal Analysis
All numbers in thousands
Revenue	2020	2019	2018	2020	2019	2018
Total Revenue	$220,747.00	$213,883.00	$225,847.00	3.21%	-5.30%	-1.48%
Cost of Revenue	53,768	46,291	39,748	16.15%	16.46%	-71.82%
Gross Profit	274,515	260,174	265,595	5.51%	-2.04%	201.18%
Operating Expenses
Research Development	18,752	16,217	14,238	15.63%	13.90%	22.94%
Selling General and Administrative	19,916	18,245	16,705	9.16%	9.22%	9.46%
Non Recurring
Others
Total Operating Expenses	38,668	34,462	30,943	12.20%	11.37%	15.28%
Operating Income or Loss	235,847	225,712	234,652	4.49%	-3.81%	282.52%
Income from Continuing Operations	66,288	63,930	70,898	3.69%	-9.83%	46.63%
Total Other Income/Expenses Net	803	1,807	2,005	-55.56%	-9.88%	-26.96%
Earnings Before Interest and Taxes	67,091	65,737	72,903	2.06%	-9.83%	13.75%
Interest Expense
Income Before Tax
Income Tax Expense	9,680	10,481	13,372	-7.64%	-21.62%	-15.03%
Minority Interest
Net Income From Continuing Ops	$57,411.00	$ 55,256.00	$ 59,531.00
Nonrecurring Events
Discontinued Operations	1202	3802	-3407	-68.39%	-211.59%	-330.67%
Extraordinary Items	-63	25	1	-352.00%	2400.00%	-98.44%
Effect of Accounting Changes	1139	3827	-3406	-70.24%	-212.36%	535.55%
Other Items	42	2781	3026	-98.49%	-8.10%	-485.97%
Net Income
Net Income	57,453	58,037	56,505	-1.01%	-1.65%	18.79%
Preferred Stock and Other Adjustments	-	-	-
Net Income Applicable to Common Shares