Monthly patient count for products that are related to medical problems. There are 767 time series that had a mean count of at least 10 and no zeros.
multiple time series
Hyndman, R.J., Koehler, A.B., Ord, J.K., and Snyder, R.D., (2008) Forecasting with exponential smoothing: the state space approach, Springer
plot(hospital[,1:10],main="Monthly patient count",xlab="Year")