CREATE TABLE exhibition (Exhibition_ID NUMBER, Year NUMBER, Theme CLOB, Artist_ID NUMBER, Ticket_Price FLOAT)
CREATE TABLE artist (Artist_ID NUMBER, Name CLOB, Country CLOB, Year_Join NUMBER, Age NUMBER)
CREATE TABLE exhibition_record (Exhibition_ID NUMBER, Date CLOB, Attendance NUMBER)

Bin the Year into weekday interval, then group and count by Year, display Y-axis in desc order.
SELECT Year, COUNT(Year) FROM exhibition ORDER BY COUNT(Year) DESC
SELECT "Year", COUNT("Year") FROM "exhibition" ORDER BY COUNT("Year") DESC