The given bar graph shows the strength of employees (in lakhs) of a company during four different years.
What was the percentage increase in employees in 2020 over 2019?
1
\( 6 \frac{1}{4} \% \)
2
\( 6 \frac{3}{4} \% \)
3
\( 5 \frac{1}{4} \% \)
4
\(4 \frac{3}{4} \%\)