(a) the amount obtained by multiplying the amount by which the salary and wages exceeds the exemption for the pay period referred to in Division II pertaining to the salary and wages by one of the following rates:i. 1.9% for the year 1987,
ii. 2% for the year 1988,
iii. 2.1% for the year 1989,
iv. 2.2% for the year 1990,
v. 2.3% for the year 1991,
vi. 2.4% for the year 1992,
vii. 2.5% for the year 1993,
viii. 2.6% for the year 1994,
ix. 2.7% for the year 1995,
x. 2.8% for the year 1996,
xi. 3% for the year 1997,
xii. 3.2% for the year 1998,
xiii. 3.5% for the year 1999,
xiv. 3.9% for the year 2000,
xv. 4.3% for the year 2001,
xvi. 4.7% for the year 2002,
xvii. 4.95% for the years 2003 to 2011,
xviii. 5.025% for the year 2012,
xix. 5.1% for the year 2013,
xx. 5.175% for the year 2014,
xxi. 5.25% for the year 2015,
xxii. 5.325% for the year 2016,
xxiii. 5.4% for the years 2017 and 2018,
xxiv. 5.55% for the year 2019,
xxv. 5.7% for the year 2020,
xxvi. 5.9% for the year 2021,
xxvii. 6.15% for the year 2022,
xxviii. 6.4% for the years 2023 and 2024, or