The data contain the frequency distribution of the number of actions taken in response to a decision by the Court from 1979-1988. They were used by Zorn (1998) and fitted by the zero-inflated and hurdle models.
References
Zorn, C. J. (1998). An analytic and empirical examination of zero-inflated and hurdle Poisson specifications.
Sociological Methods & Research, 26(3), 368-400.