Leonids Meteor Radiant from 2001

When the meteor trails are followed backward to their origin they appear
to be originating from the same position in the sky. This is where the Earth's
orbit crosses the meteor stream

......and the streams are not homogenous from year to year.

..here's the reason why  (from Sky & Telescope).
                                                                                                                                                                                                                                                                Galactic Home......tjt