A pre-loaded example dataset in R

Main page: https://www.rdocumentation.org/packages/datasets/versions/3.6.2/topics/airmiles

airmiles
## Time Series:
## Start = 1937 
## End = 1960 
## Frequency = 1 
##  [1]   412   480   683  1052  1385  1418  1634  2178  3362  5948  6109  5981
## [13]  6753  8003 10566 12528 14760 16769 19819 22362 25340 25343 29269 30514
require(graphics)
plot(airmiles, main = "airmiles data",
     xlab = "Passenger-miles flown by U.S. commercial airlines", col = 4)