From then on one new class was introduced every two or three years.

The 8520 class was introduced in 2004; there are ten of these sets.

At the time, only a Grade 7 and 8 joint class was introduced.

Each week for seven weeks, the classes were introduced to a different poet from around the world.

The local historical society introduced classes in hair work and new generations of women learned the art.

The 2009 show, held on 24 and 25 October, introduced several new competitive classes.

This class was introduced in 1966, and some are still in service today.

Each class is introduced to academic and skill development while being exposed to various types of music.

The inaugural class, composed of 24 individuals, was introduced in November 2012.

From 1995 the trains were used more intensively and second class was introduced.